WD Purple Surveillance Hard Drive
100% Official Brand / Serial Number Verifiable / 3-Year Warranty
Purpose-Built for 24/7 Video Surveillance
WD Purple is a surveillance-grade hard drive designed specifically for DVR and NVR systems that operate continuously around the clock.
Unlike standard desktop hard drives, WD Purple is engineered to handle the continuous recording workload, heat and vibration conditions commonly found inside surveillance systems.
Why Choose WD Purple for Your NVR?
Built for 24/7 Recording
Designed for continuous video recording in surveillance DVR and NVR environments.
Surveillance-Class Reliability
Engineered specifically for security applications where stable storage and reliable video retention are critical.
AllFrame Technology
Western Digital AllFrame technology helps reduce video frame loss and supports smoother recording and playback.
Up to 180TB Annual Workload Rating
Designed to handle the demanding write workload of mainstream surveillance systems.
Support for Multiple Cameras
WD Purple drives are designed to support multi-camera surveillance systems and provide the storage capacity needed for larger installations.
Wide NVR Compatibility
Compatible with a wide range of surveillance recorders and storage systems, making it easy to integrate into your existing security system.
A Better Choice for Your Security System
Whether you are building a new NVR system or expanding an existing installation, choosing a surveillance-grade hard drive helps ensure your cameras have dependable storage for continuous recording.
For professional surveillance installations, we recommend using a dedicated surveillance HDD rather than a standard desktop hard drive.
Important Note About HDD Pricing
Due to current global demand for data-center and AI infrastructure, storage component supply and pricing can fluctuate significantly. This can affect surveillance HDD pricing as well as availability.
For customers outside our local fulfillment network, we generally recommend purchasing the HDD locally when the same WD Purple model is available in your market.
Local purchase may offer:
- Lower total cost after shipping and taxes
- Faster delivery
- Better availability of specific capacities
In many cases, the local market price may be considerably lower than the cost of purchasing and shipping a hard drive internationally.
For customers who already have a suitable HDD, our NVR systems can also be purchased without a hard drive.
Specification
2TB
| Capacity | 2TB |
| Model Number | WD22PURZ |
| Form Factor | 3.5-Inch |
| Interface | SATA |
| Transfer Rate | Up to 175MB/s |
| Disk Speed (RPM) | Not specified |
| Recording Technology | CMR |
| Cache Size | 256MB |
| Warranty | 3-Year Limited Warranty |
| Dimensions (L × W × H) | 5.79 × 4 × 1.03 in |
| Weight | 450g |
| Operating Temperature | 0°C to 65°C |
| Non-Operating Temperature | -40°C to 70°C |
4TB
| Capacity | 4TB |
| Model Number | WD43PURZ |
| Form Factor | 3.5-Inch |
| Interface | SATA |
| Transfer Rate | Up to 175MB/s |
| Disk Speed (RPM) | Not specified |
| Recording Technology | CMR |
| Cache Size | 256MB |
| Warranty | 3-Year Limited Warranty |
| Dimensions (L × W × H) | 5.79 × 4 × 1.03 in |
| Weight | 570g |
| Operating Temperature | 0°C to 65°C |
| Non-Operating Temperature | -40°C to 70°C |